 //***********************************************************
 // Book.java                         Author:20172323wyh
 //
 // Represents a book. Used as the parent of a derived class
 // to demonstrate inheritance.
 //***********************************************************

 public class Book
 {
    protected int pages = 1500;

    //--------------------------------------------------------
    // Pages mutator.
    //--------------------------------------------------------
    public void setPages(int numPages)
    {
       pages = numPages;
    }

    //--------------------------------------------------------
    // Pages accessor.
    //--------------------------------------------------------
    public int getPages()
    {
       return pages;
    }
 }
